Episode No – 40
Telecast: 20/04/2017
Faculty: Smitha. J
BIOLOGY IN HUMAN WELFARE
Microsporum, a pathogen for Ringworm disease in Humans belongs to the same
Kingdom of organisms as that of
a) Ascaris, a round worm
b) Rhizopus, a mould
c) Taenia, a tapeworm
d) Wuchereria, a filarial worm
Ans: b
Which diagnostic technique will be recommended for a patient suspected to be HIV
positive?
a) WIDAL
b) MRI
c) ELISA
d) Ultra sound
Ans: C
In which of the following disease we can expect the production of Interferons :
a) Typhoid
b) Malaria
c) Amoebiasis
d) Common Cold
And: d
Choose the wrong statement from the following :
a) Antiretroviral drugs are only partially effective in the treatment AIDS.
b) HIV spreads by sexual contact with infected person.
c) The period between the infection and appearance of AIDS symptoms may vary from a
few hours to a week
d) HIV virus has RNA as its genetic material
Ans: c
Which one of the following is an incorrect statement with respect to Malignant tumor?
a) Tumor cells will remain confined to original location
b) Tumor cells exhibit rapid divisions
c) The tumor grows rapidly
d) Tumor cells damage the surrounding normal cells
Ans: a
The use of anti-histamine drugs to treat allergy helps
a) in curing allergy
b) to build resistance against allergens
c) to reduce allergic symptoms
d) to promote production of IgE.
Ans. c
The narcotic drugs Charas, Hashish and Ganja are extracted from:
a) Hemp plant
b) Coca plant
c) Poppy seeds
d) Ergot
Ans: a
Select the wrong statement for Alcoholism.
a) Major causes for liver cirrhosis.
b) Linked to recklessness, vandalism and violent behaviour .
c) Educating and counseling does not help.
d) Suffers from withdrawal symptom on abrupt discontinuation.
Ans: c
Identify the correct pairing
a) Poultry –
Bombyx mori
b) Apiculture – Labeo rohita
c) Sericulture – Apis indica
d) Pisciculture – Catla catla
Ans: d
Select the wrong statement regarding MOET
a)
b)
c)
d)
Hormones with FSH like activity is used to induce super ovulation
Unfertilized eggs are extracted from the animal for IVF
Surrogate mothers are used for embryo transfer
Large number of desired offsprings are obtained in a short time
And: b
Mule is an offspring obtained by
a) Interspecific hydridization of Male horse and Female donkey
b) Intraspecific hydridization of Male horse and Female donkey
c) Interspecific hydridization of Male donkey and Female horse
d) Interspecific hydridization of Male donkey and Female horse
Ans:C
Given below are the steps involved in Plant breeding to obtain a new genetic variety.
Choose the option which gives the correct sequence.
i)
Evaluation and selection .
ii)
Cross hybridization among the selected parents.
iii)
Germplasm collection.
iv)
Testing, release and commercialization of new cultivars.
v)
Selection and testing of superior recombinants.
a) i) , ii), iii) , iv) and v)
b) iii), i), ii), v) and iv)
c) iii), ii), i), v) and iv)
d) iii), i), v), iv) and ii)
Ans: b
In plant tissue culture technique the tissue used for the recovery of healthy plants from
diseased plant is
a) Parenchyma
b) Apical and axillary Meristem
c) Collenchyma
d) Lateral meristem
Ans: b
Methylophilus methylotrophus yeilds
a) Methane
b) Single cell proteins
c) Starch
d) Molasses
Ans: b
Identify the non symbiotic biofertilizer
a) Azotobacter
b) Anabena
c) Rhizobium
d) Vescicular Arbuscular Mycorrhiza
Ans; a
Pick out the mismatched pair
a) Yeast- Ethanol
b) Streptomycetes- antibiotic
c) Coliforms- Vinegar
d) Methanogens- Gobar gas
Ans:c
Bottled fruit juices are clear due to action of
a) lipase and Protease
b) Protease and Streptokinase
c) Pectinase and Protease
d) Streptokinase and Lipase
Ans: c
Insulin obtained from animal source is not preferred for diabetic patients. The reason
is:
a) Cost of production is very high.
b) May cause allergic reactions.
c) Totally different from human insulin.
d) Does not work efficiently
Ans: b
Choose the correct answer.Endotoxins obtained from Bacillus thuringiensis :
a) Acts as a toxin to the bacteria
b) Gets released in the gut of the insect larvae and kills it.
c) Destroys the eggs of the insect.
d) Paralyses the insect when sprayed on them.
Ans:b
Which of the following statement is incorrect with respect to Biogas Production?
a) The technology was developed by the combined efforts of IARI and KVIC
b) Methanogens which are involved in biogas production are also present in the rumen of
cattle
c) The predominant gases are CO2 and H2
d) Methanobacterium is found in the anaerobic sludge during sewage treatment.
Ans: c
Nobel Laureate Norman.E.Borloug is credited with
a)
b)
c)
d)
Developing high yielding semi-dwarf rice varieties like IR-8 and Taichung Native-I.
Introducing high yielding semi dwarf varieties Jaya and Ratna.
Introducing high yielding millets resistant to water stress in India.
High yielding semi dwarf wheat varieties.
Ans: d
Somatic hybridization is a technique which involves
a) Fusion of vegetative naked protoplasts
b) Fusion of intact plant cells
c) Fusion of sex cells
d) Fusion of gamete and somatic cell.
Ans: a
Atlas 66 is
a) Iron and Calcium enriched Spinach
b) Biofortified Maize rich in Lysine and Tryptophan
c) Iron fortified Rice
d) Biofortified wheat rich in Protein
Ans: d
Identify the wrongly matched pair
a) Trichoderma polysporum- Cyclosporin- A
b) Propionibacterium sharmanii – Swiss Cheese
c) Penicillium roqueforti- Penicillium
d) Monascus purpureus - Statins
Ans: c
Mung bean variety developed by mutation breeding is resistant to:
a) Yellow mosaic virus and powdery mildew.
b) Aphids.
c) Shoot and fruit borers.
d) Brown rust
Ans: a
On which micro-organism was Alexander Fleming working on when he discovered
Penicillin?
a) Staphylococcus
b) Streptococcus
c) Streptomyces
d) Saccharomyces
Ans: a